Brinkley testifies about husband's affair

July 3, 2008 9:44:13 AM PDT
Christie Brinkley says the day she learned her husband was having an affair with a teenager was the day "my life as I knew it had vanished."

The former Sport Illustrated model cried as she took the stand at her Long Island divorce trial on Thursday. A day earlier, the court heard testimony from Brinkley's architect husband, Peter Cook, and his former mistress.

The model recalled how the girl's stepfather, who's a policeman, told her of the affair: at a 2006 Southampton High School graduation where Brinkley was a speaker.

He told Brinkley: "That husband of yours won't knock it off. He's having an affair with my teenage daughter."

She also testified that Cook visited pornographic sites in hopes of meeting people.

The trial centers on custody of the couple's two children.